java.sql.SQLException: IO Error: The Network Adapter could not establish the connection

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Check if your server (or a proxy server) is not going up and down. There might be something between a proxy and a client sending intermittent requests to non-functioning hosts as well. There might as well be too many requests in a short amount of time.

,
Expert tip

Check if your server (or a proxy server) is not going up and down. There might be something between a proxy and a client sending intermittent requests to non-functioning hosts as well. There might as well be too many requests in a short amount of time.

Solutions on the web

via atlassian.com by Unknown author, 1 year ago
IO Error: The Network Adapter could not establish the connection
via atlassian.com by Unknown author, 1 year ago
IO Error: The Network Adapter could not establish the connection
via Coderanch by ven jovovich, 11 months ago
IO Error: The Network Adapter could not establish the connection
via oracle.com by Unknown author, 1 year ago
IO Error: The Network Adapter could not establish the connection
via Oracle Community by 8a639176-49ef-4646-8606-468629945998, 1 year ago
The Network Adapter could not establish the connection
via daniweb.com by Unknown author, 2 years ago
The Network Adapter could not establish the connection
java.sql.SQLException: IO Error: The Network Adapter could not establish the connection
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:201)
at oracle.net.nt.ConnOption.connect(ConnOption.java:123)
at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:353)
at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:422)
at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:678)
at oracle.net.ns.NSProtocol.connect(NSProtocol.java:238)
at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1054)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:308)
at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:536)
at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:228)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at com.jolbox.bonecp.BoneCP.obtainRawInternalConnection(BoneCP.java:256)
at com.jolbox.bonecp.ConnectionHandle.obtainInternalConnection(ConnectionHandle.java:211)
at com.jolbox.bonecp.ConnectionHandle.(ConnectionHandle.java:170)
at com.jolbox.bonecp.PoolWatchThread.fillConnections(PoolWatchThread.java:101)
at com.jolbox.bonecp.PoolWatchThread.run(PoolWatchThread.java:82)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)

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